package demo3;

public class KeyBoard implements IUSB{
    @Override
    public void openDevice() {
        System.out.println("打开键盘...");
    }

    @Override
    public void closeDevice() {
        System.out.println("关闭键盘");
    }
    public  void click(){
        System.out.println("键盘输入...");
    }
}
